Senior Backend Software Engineer | $5K-$6K USD Monthly + Remote | AgTech SaaS Startup

Medellín , Colombia
full-time Remote

AI overview

Contribute to a high-ownership culture in a small team focused on enhancing system performance and scalability for a live AgTech SaaS platform.

This role is focused on improving and scaling an existing production system.

We are looking for a Senior Backend Software Engineer to help strengthen and scale an existing SaaS platform. This role is ideal for an engineer who enjoys working on databases, system performance, reliability, and backend architecture rather than building UI features.

You will work closely with the team to identify bottlenecks, improve scalability, and ensure the platform is ready for long-term growth.

This is an opportunistic hire for an A++ engineer. There is a high bar.

Responsibilities: 

  • Own backend initiatives end-to-end, from design to deployment

  • Design, optimize, and maintain PostgreSQL database schemas, queries, and data models

  • Improve backend performance, scalability, and reliability across the system

  • Identify and resolve architectural bottlenecks in existing services

  • Build and maintain backend services and APIs using Node.js / TypeScript

  • Strengthen system robustness, monitoring, and long-term maintainability

  • Collaborate with frontend engineers as needed

This role is NOT for candidates whose experience is primarily feature delivery rather than system scaling, mid-level engineers, or frontend-focused developers.

Must-haves (non-negotiable)

  • 6+ years of professional backend engineering experience in production environments

  • Deep, hands-on experience with Node.js using JavaScript and TypeScript (not exposure, not side projects)

  • 6+ years working with relational databases, including PostgreSQL, with ownership over:

    • Schema design

    • Query optimization

    • Data modeling decisions

  • Proven experience scaling and hardening live SaaS systems used by real customers

  • Demonstrated ownership of backend architecture decisions in startup or scale-up environments

  • Strong understanding of system performance, reliability, and long-term maintainability

  • Comfortable working in existing codebases and improving what is already built (not just greenfield work)

  • Ability to operate independently, identify bottlenecks, and propose solutions without detailed direction

Nice to have (not required)

  • Experience with Supabase or similar backend infrastructure platforms

  • Familiarity with frontend frameworks (Vue.js / Nuxt.js) for collaboration context only

Benefits:

  • Fully remote
  • Holidays + PTOs
  • Growth opportunities
  • USD payment

About SaaS Talent

SaaS Talent is more than just a recruiting company. We're your hiring, business development and growth partner with 20+ years of experience in SaaS and Hi-Tech that helps you scale and transform your business. We've worked with 100+ companies and helped them achieve their goals. From streamlining sales, marketing, and operations to hiring ideal talent and getting funding, if you're struggling to grow, we're an ideal choice.

Reach out to us at www.saas-talent.com to learn more about how we can help you.

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Perks & Benefits Extracted with AI

  • Growth opportunities: Growth opportunities
  • Paid Time Off: Holidays + PTOs
  • Remote-Friendly: Fully remote

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$5,000 – $6,000 per month
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